// Copyright 2004 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.tapestry.workbench.table;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
import java.util.StringTokenizer;
import org.apache.tapestry.BaseComponent;
import org.apache.tapestry.IBinding;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.contrib.table.model.IPrimaryKeyConvertor;
/**
* @author mindbridge
*
*/
public abstract class LocaleList extends BaseComponent
{
// immutable values
private IPrimaryKeyConvertor m_objLocaleConvertor;
public LocaleList()
{
// define an IPrimaryKeyConvertor that represents
// a Locale object as a String and converts it back
m_objLocaleConvertor = new IPrimaryKeyConvertor()
{
public Object getPrimaryKey(Object objValue)
{
Locale objLocale = (Locale) objValue;
return objLocale.toString();
}
public Object getValue(Object objPrimaryKey)
{
StringTokenizer objTokenizer = new StringTokenizer((String) objPrimaryKey, "_");
String strLanguage = "";
if (objTokenizer.hasMoreTokens())
strLanguage = objTokenizer.nextToken();
String strCountry = "";
if (objTokenizer.hasMoreTokens())
strCountry = objTokenizer.nextToken();
String strVariant = "";
if (objTokenizer.hasMoreTokens())
strVariant = objTokenizer.nextToken();
return new Locale(strLanguage, strCountry, strVariant);
}
};
}
public IPrimaryKeyConvertor getLocaleConvertor()
{
return m_objLocaleConvertor;
}
public boolean getCheckboxSelected()
{
return getSelectedLocales().contains(getCurrentLocale());
}
public void setCheckboxSelected(boolean bSelected)
{
Locale objLocale = getCurrentLocale();
Set setSelectedLocales = getSelectedLocales();
if (bSelected)
setSelectedLocales.add(objLocale);
else
setSelectedLocales.remove(objLocale);
// persist value
setSelectedLocales(setSelectedLocales);
}
public void selectLocales(IRequestCycle objCycle)
{
Set setSelectedLocales = getSelectedLocales();
Locale[] arrLocales = new Locale[setSelectedLocales.size()];
setSelectedLocales.toArray(arrLocales);
ILocaleSelectionListener objListener =
(ILocaleSelectionListener) getLocaleSelectionListenerBinding().getObject();
objListener.localesSelected(arrLocales);
// clear selection
setSelectedLocales(new HashSet());
}
public abstract IBinding getLocaleSelectionListenerBinding();
public abstract Locale getCurrentLocale();
public abstract Set getSelectedLocales();
public abstract void setSelectedLocales(Set set);
}